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Harmonic transform

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3 Author(s)

A new method of spectrum analysis, harmonic transform, is proposed to provide an impulse-train spectrum for signals that are comprised of time-varying harmonics. The essential concept of the transform and some of its properties are discussed. Based on the new transform, a short time harmonic transform is developed for time-frequency analysis. Simulation examples dealing with voiced speech show that the harmonic transform can provide a better frequency representation for signals that contain time-varying harmonics.

Published in:

Vision, Image and Signal Processing, IEE Proceedings -  (Volume:151 ,  Issue: 4 )